Answers by Jonathan Chaplin
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Answers by Jonathan Chaplin

Answers by Jonathan Chaplin
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Which of these is not considered a pure substance? A) An atom Eliminate B) A mixture C) An element D) A compound
answered Jan 16, 2020
4 votes
224k views
Rina is training for a triathlon, a timed race that combines swimming, biking, and running. Consider the following sentence: Rina has only 20 hours this week that she can devote to training. Each hour
answered Jan 6, 2020
6 votes
196k views
A pharmacist has an 18% alcohol solution and a 40% alcohol solution. How much of each should he mix together to make 10 liters of a 20% alcohol solution?
answered Dec 30, 2019
6 votes
65.9k views
an airplanes altitude changed -531 feet over 9 minutes. what was the mean change of altitude in feet per minute
answered Oct 30, 2019
1 vote
23.7k views
100 divided by 4030 show work
answered Aug 10, 2019
3 votes
88.2k views
when our bodies extract energy from food and convert it to a form that our cells can use how much total food energy is lost as heat? a. 75 percent b.less than 10 percent c. More than 50 percent d. 20 percent
answered Nov 22, 2018
4 votes
57.2k views
Which of the following received lend-lease aid? Italy Great Britain Soviet Union Germany
answered Aug 25, 2018
5 votes
139k views
What is one reason that the constitutional convention decided they needed a document to replace the articles of confederation?
answered Apr 10, 2018
5 votes
37.6k views
The population of metroville was 3,187,463 on june 30, 2013. during the period january 1 through december 31, 2013, a total of 4,367 city residents were infected with hiv. during the same year, 768 new
answered Mar 26, 2018
4 votes
179k views
When the Great Depression began, the________ administration did little to nothing, hoping things would right themselves over time.
answered Jan 27, 2018
5 votes
181k views
The Fundamental Orders of Connecticut document was directly influenced by the _____.
answered Nov 15, 2017
4 votes
13.8k views
Native Americans were_________ and did not secure permanent settlements. A. Nomadic B. Sedentary C. Autocratic D. None of the above
answered Sep 15, 2017
6 votes
180k views
What will happen when NaHSO4 dissolves in water Can you please give me the equation as well
answered Feb 24, 2017
4 votes
185k views
What is 1,112,433 rounded to the nearest ten thousand
answered Nov 27, 2016
2 votes
56.6k views
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